Analysis

  • max time kernel
    3475485s
  • max time network
    158s
  • platform
    android_x86
  • resource
    android-x86-arm-20231215-en
  • resource tags

    androidarch:armarch:x86image:android-x86-arm-20231215-enlocale:en-usos:android-9-x86system
  • submitted
    30-12-2023 12:32

General

  • Target

    189f3eb2f75106a7f9416b1a92800c9f.apk

  • Size

    3.0MB

  • MD5

    189f3eb2f75106a7f9416b1a92800c9f

  • SHA1

    82fbc3c640aee29b8dc0e6a9c88b0eb450b25556

  • SHA256

    f1cd0e742102754233bf83ffbb718b3c4c830a603e41cd1090b9cba5331a1933

  • SHA512

    3e1cb82b714ae058666453c45b899d4af5de33ee7e486f33c27ae716afcbaf5a657386969ad5a5053c6666e4504c26f8a2c7e88b000f5debcb97f91afed13920

  • SSDEEP

    49152:KKXXByEPmieQpAkKKhMpMbKm1SzoNrxHauzZ6Fe5K+xmXzoJgNw9wn3aQQS:K+yE5eQpZh32zojHauF4eY+B9RBS

Malware Config

Signatures

  • FluBot

    FluBot is an android banking trojan that uses overlays.

  • FluBot payload 3 IoCs
  • Makes use of the framework's Accessibility service 3 IoCs

    Retrieves information displayed on the phone screen using AccessibilityService.

  • Loads dropped Dex/Jar 3 IoCs

    Runs executable file dropped to the device during analysis.

  • Requests enabling of the accessibility settings. 1 IoCs
  • Creates a large amount of network flows 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • Requests disabling of battery optimizations (often used to enable hiding in the background). 1 IoCs
  • Uses Crypto APIs (Might try to encrypt user data) 1 IoCs

Processes

  • com.sina.weibo
    1⤵
    • Makes use of the framework's Accessibility service
    • Loads dropped Dex/Jar
    • Requests enabling of the accessibility settings.
    • Requests disabling of battery optimizations (often used to enable hiding in the background).
    • Uses Crypto APIs (Might try to encrypt user data)
    PID:4514
    • /system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/com.sina.weibo/app_apkprotector_dex/YNF53gHa.peace --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.sina.weibo/app_apkprotector_dex/oat/x86/YNF53gHa.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4543

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.sina.weibo/app_apkprotector_dex/YNF53gHa.peace

    Filesize

    20KB

    MD5

    8c6faeaba56493b5f786c90d0ecaee15

    SHA1

    d3d28489a61ec1ecadafabfaa395449f3a69b5ef

    SHA256

    ce030c2fa50e2659ad03f46cb06e7cbef725e4e945d7158ba8fcbe605138ee53

    SHA512

    4bd71a0388193e137b13c30eb692d4ccd48580ac76f7267d82909a1b3148c1ffad2340d22c4e5713fb07eaab4b9e1a2d7794d9330e147a7c777a785a1b976c1f

  • /data/user/0/com.sina.weibo/app_apkprotector_dex/YNF53gHa.peace

    Filesize

    2.4MB

    MD5

    dae833e9d575c7512c7d7b78ac3716a4

    SHA1

    b31cb114f2bf8754915375d3551dd34b1edee59d

    SHA256

    a979babac04109cb607b3e4e3844b06b5d2ae5044b9543a2e2fee1f40658209b

    SHA512

    daa982b9d9eb6951ade81ed1e26ab35c4f5d76929629f8c30a6440ff84dfa7044e78baec8a0d2d608fa6032b8065925710f7210f439385edb00bfc4647326e78

  • /data/user/0/com.sina.weibo/app_apkprotector_dex/YNF53gHa.peace

    Filesize

    2.4MB

    MD5

    c5ab0c385e736aba5fbb9865d8460ce7

    SHA1

    a238e126cfee20997943f96dbd27977de2136525

    SHA256

    5d18e6b365485ef8d842cc8589cff3801e9247a0bea392dde3fe0e5f223eae9f

    SHA512

    9eedfda2a91643c04a719c7a8ab5693c313e0a956066cfb8730e1a5d0f368bd35abe015f4e1761af2d496d7c96f5fc33fb42b50d637f00e41e8d5441bb404414